Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's hot 30.1°C (86.2°F) to a warm 26.4°C (79.5°F). An average low-temperature of 21.8°C (71.2°F) is witnessed throughout the month of September, a mere drop from the daytime peak.Humidity
In September, the average relative humidity is 77%.Rainfall
In Yokaichiba, during September, the rain falls for 18.5 days and regularly aggregates up to 123mm (4.84") of precipitation. Throughout the year, in Yokaichiba, there are 188.7 rainfall days, and 1052mm (41.42") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Yokaichiba.Daylight
In Yokaichiba, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:09 and sunset at 18:05. On the last day of September, sunrise is at 05:31 and sunset at 17:23 JST.
Sunshine
In Yokaichiba, the average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Yokaichiba?
What is the average humidity in September in Yokaichiba?
How much does it rain in Yokaichiba in September?
When it does not snow in Yokaichiba?
How many hours of daylight does Yokaichiba have in September?
What time are sunrise and sunset in September in Yokaichiba?
How many hours of sunshine does Yokaichiba have in September?
What is the UV index reading in September in Yokaichiba?
Average temperature in September
Yokaichiba, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 21.8°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Yokaichiba, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Yokaichiba, Japan
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is March (16.8km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in September
Yokaichiba, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Yokaichiba, Japan
- Average rainfall in September: 123mm
The wettest month (with the highest rainfall) is October (144mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in September
Yokaichiba, Japan
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Yokaichiba, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Yokaichiba, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Yokaichiba, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Yokaichiba, Japan
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Yokaichiba, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Yokaichiba, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in September
Yokaichiba, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).
